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Technical Data Sheet
PartsTable / O-RING / PTB864-500-250
PTB864-500-250 ✓ Verified by PartsTable
— · ORING SEAL
WHAT YOU NEED TO KNOW
Material determines chemical compatibility Standard durometer is 70 Shore A
Wrong material = catastrophic seal failure
PRODUCT OVERVIEW

The O-RING is a the manufacturer industrial component. Key specifications include color: WHITE, material: RUBBER CHLOROPRENE CLASS CR, temp_rating: -65.0 FAHRENHEIT AND 600.0 FAHRENHEIT DEGF, special_features: MATERIAL REINFORCED WITH FIBERGLASS, center_hole_diameter: 5.000 INCHES NOMINAL IN, cross-sectional_height: 0.265 INCHES MINIMUM AND 0.285 INCHES MAXIMUM IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-01-396-8001, indicating validated use in U.S.

government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels. Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
PTB864-500-250
NSN: 5331-01-396-8001
FSC: 5331 — O-RING
CAGE: 9D152 — PRECISION TUBE BENDING (USA)
SPECIFICATIONS
colorWHITE
materialRUBBER CHLOROPRENE CLASS CR
temp_rating-65.0 FAHRENHEIT AND 600.0 FAHRENHEIT DEGF
special_featuresMATERIAL REINFORCED WITH FIBERGLASS
center_hole_diameter5.000 INCHES NOMINAL IN
cross-sectional_height0.265 INCHES MINIMUM AND 0.285 INCHES MAXIMUM IN
NSN5331-01-396-8001
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: PTB864-500-250 MFR: OEM ⚠ VERIFY BEFORE ORDERING Wrong material = failure. Viton for oil/fuel, EPDM for water/steam, Buna-N for general purpose, Silicone for food-grade. Chemical incompatibility causes swelling, brittleness, or rapid degradation ✓ BROKER TIP Durometer (hardness) affects sealing pressure tolerance. Higher Shore A = harder = higher pressure. Standard durometer is 70A — verify if application requires different hardness PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
COLOR: WHITE
•
CENTER HOLE DIAMETER: 5.000 INCHES NOMINAL IN
•
TEMP RATING: -65.0 FAHRENHEIT AND 600.0 FAHRENHEIT DEGF
•
CROSS-SECTIONAL HEIGHT: 0.265 INCHES MINIMUM AND 0.285 INCHES MAXIMUM IN
•
MATERIAL: RUBBER CHLOROPRENE CLASS CR
TECHNICAL CHARACTERISTICS (FLIS)
COLORWHITE
CENTER HOLE DIAMETER5.000 INCHES NOMINAL IN
TEMP RATING-65.0 FAHRENHEIT AND 600.0 FAHRENHEIT DEGF
SPECIAL FEATURESMATERIAL REINFORCED WITH FIBERGLASS
CROSS-SECTIONAL HEIGHT0.265 INCHES MINIMUM AND 0.285 INCHES MAXIMUM IN
MATERIALRUBBER CHLOROPRENE CLASS CR
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
7600500Interchangeable
interchangeable cross-reference
interchangeable
600500Interchangeable
interchangeable cross-reference
interchangeable
D-9Interchangeable
interchangeable cross-reference
interchangeable
690109Interchangeable
interchangeable cross-reference
interchangeable
690109 ITEM 3Interchangeable
interchangeable cross-reference
interchangeable
460-500Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is PTB864-500-250?
PTB864-500-250 is a O-RING.
What parts can replace PTB864-500-250?
There are 12 known substitutes for PTB864-500-250: 7600500, 600500, D-9 and 9 more. Substitute compatibility should be verified for your specific system.
Is PTB864-500-250 still available?
PTB864-500-250 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026